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Flow Chart of Troubleshooting
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7-
21
7-12. FM Radio part
Reconnect the Earphone or change
the Earphone
END
No
Ye
s
FM Radio function does not work
Yes
Check if Earphone is
connected
Check the R522 =2.8V?
U503 TP507 = H?
Replace U503
Yes
Resolder U503
No
Check U202 pinF4
No
Yes